/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Control;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Jayson Kiong
 */
public class RegValidation extends HttpServlet {
    
    private static final String EMAIL_PATTERN
            = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);//edited. processrequest deleted.
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    /**
     * The Reg Validation class is used to validate the registration process of the user
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        
        boolean withError = false;
        String[] error = {"","","","","","",""};
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        String lastname = request.getParameter("lastname");
        String firstname = request.getParameter("firstname");
        String middlename = request.getParameter("middlename");
        String contact = request.getParameter("contact");
        String address = request.getParameter("address");

        
        if(username.equals("")){
            error[0] = "username";
        }

        if(password.equals("")){
            error[1] = "password";
        }

        if(lastname.equals("")){
            error[2] = "lastname";
        }
        if(firstname.equals("")){
            error[3] = "firstname";
        }
        if(middlename.equals("")){
            error[4] = "middlename";
        }
        if(contact.equals("")){
            error[5] = "contact";
        }
       
        


        
        for(String errormsg:error){
            if(!(errormsg.equals(""))){
                withError = true;
                HttpSession session = request.getSession();
                session.setAttribute("errors", error);
                RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/register.jsp");
                rd.forward(request, response);
                
                break;
            }
        }
        
        if(!(withError)){
            RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/RegisterServlet");
            rd.forward(request, response);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
